* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Open Sans', sans-serif;
    color: #fff;
    background-color: #333;
  }
  
  header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background-color: #222;
  }
  
  .logo h1 {
    color: #fff;
    font-size: 2rem;
  }
  
  nav a {
    color: #fff;
    text-decoration: none;
    margin: 0 10px;
  }
  
  .hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 0 20px;
    background-image: url('hero-background.jpg');
    background-size: cover;
    background-position: center;
    background-color: #111;
  }
  
  .hero h2 {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 20px;
  }
  
  .hero p {
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: 30px;
    max-width: 400px;
  }
  
  #signInButton {
    background-color: #000;
    color: #fff;
    padding: 10px 20px;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
  }
  
  #signInButton:hover {
    background-color: #111;
  }
  
  .content {
    padding: 20px;
    background-color: #222;
  }
  
  .content h3 {
    font-size: 2rem;
    color: #fff;
    margin-bottom: 20px;
  }
  
  .content p {
    font-size: 1.2rem;
    color: #fff;
    margin-bottom: 20px;
  }
  
  footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    background-color: #111;
    color: #fff;
  }
  
  footer p {
    margin-bottom: 10px;
  }